1455722070 has 128 divisors (see below), whose sum is σ = 4122150912. Its totient is φ = 325017600.

The previous prime is 1455722057. The next prime is 1455722071. The reversal of 1455722070 is 702275541.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455722071) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 260910 + ... + 266430.

It is an arithmetic number, because the mean of its divisors is an integer number (32204304).

Almost surely, 2^1455722070 is an apocalyptic number.

1455722070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1455722070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2061075456).

1455722070 is an abundant number, since it is smaller than the sum of its proper divisors (2666428842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1455722070 is a wasteful number, since it uses less digits than its factorization.

1455722070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5606.

The product of its (nonzero) digits is 19600, while the sum is 33.

The square root of 1455722070 is about 38153.9260103072. The cubic root of 1455722070 is about 1133.3380996532.

The spelling of 1455722070 in words is "one billion, four hundred fifty-five million, seven hundred twenty-two thousand, seventy".